diff --git a/build/doxygen/doxygen_footer.html b/build/doxygen/doxygen_footer.html
index 1f4cbd00215..e11df270ddc 100755
--- a/build/doxygen/doxygen_footer.html
+++ b/build/doxygen/doxygen_footer.html
@@ -26,7 +26,7 @@ for <a href="http://www.dolibarr.org">$projectname</a> by Doxygen $doxygenversio
 
 
 <!--  Google AdSense -->
-<center>
+<div class="center">
 <script type="text/javascript"><!--
 google_ad_client = "pub-1071905880519467";
 /* PUBBANDEAUDOLIBARR */
@@ -36,7 +36,7 @@ google_ad_height = 60;
 //-->
 </script>
 <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>
-</center>
+</div>
 <!-- End google adsense -->
 <br>
 
diff --git a/build/doxygen/doxygen_header.html b/build/doxygen/doxygen_header.html
index 363d408d43c..0c2e189136b 100755
--- a/build/doxygen/doxygen_header.html
+++ b/build/doxygen/doxygen_header.html
@@ -24,7 +24,7 @@ File added into doxygen generated documentation
 </div>
 
 <div id="logodol">
-<center>
+<div class="center">
 <table width="100%">
 	<tr>
 		<td><div id="projectname">$projectname</div> - <span id="projectnumber">$projectnumber</span></td>
@@ -54,7 +54,7 @@ File added into doxygen generated documentation
 		<!-- banner end --></td>
 	</tr>
 </table>
-</center>
+</div>
 
 </div>
 
diff --git a/dev/skeletons/skeleton_page.php b/dev/skeletons/skeleton_page.php
index deaecd95526..ac329318ae5 100644
--- a/dev/skeletons/skeleton_page.php
+++ b/dev/skeletons/skeleton_page.php
@@ -282,7 +282,7 @@ if ($action == 'create')
 
 	print '<br>';
 
-	print '<center><input type="submit" class="button" name="add" value="'.$langs->trans("Create").'"> &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<div class="center"><input type="submit" class="button" name="add" value="'.$langs->trans("Create").'"> &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></div>';
 
 	print '</form>';
 
@@ -304,7 +304,7 @@ if (($id || $ref) && $action == 'edit')
 
 	print '<br>';
 
-	print '<center><input type="submit" class="button" name="add" value="'.$langs->trans("Create").'"></center>';
+	print '<div class="center"><input type="submit" class="button" name="add" value="'.$langs->trans("Create").'"></div>';
 
 	print '</form>';
 
diff --git a/dev/test/testdiv.php b/dev/test/testdiv.php
index 8700be5b2ab..2f1bd9182ae 100644
--- a/dev/test/testdiv.php
+++ b/dev/test/testdiv.php
@@ -19,14 +19,14 @@
 </head>
 <body class="body">
 
-<center>
+<div class="center">
 
 <div class="login_table" align="center">
 
 <!-- <tr><td colspan="2" valign="middle"> -->
 <div id="login_line1" align="center">
 
-<div id="login_left" style="display: inline-block; min-width: 250px; margin: 0 auto;"><center>
+<div id="login_left" style="display: inline-block; min-width: 250px; margin: 0 auto;"><div class="center">
 
 <table class="none" summary="Login pass" cellpadding="2" align="center">
 
@@ -46,7 +46,7 @@
 
 </table>
 
-</center>
+</div>
 </div> <!-- end div left -->
 
 <!-- </td>
@@ -64,7 +64,7 @@
 
 </div>
 
-</center>
+</div>
 
 </body>
 </html>
diff --git a/htdocs/accountancy/admin/card.php b/htdocs/accountancy/admin/card.php
index ad6ca01b6ca..fdc2f78be64 100644
--- a/htdocs/accountancy/admin/card.php
+++ b/htdocs/accountancy/admin/card.php
@@ -164,8 +164,11 @@ if ($action == 'create')
 	
 	print '</table>';
 	
-	print '<br><center><input class="button" type="submit" value="' . $langs->trans("Save") . '"> &nbsp; &nbsp; ';
-	print '<input class="button" type="submit" name="cancel" value="' . $langs->trans("Cancel") . '"></center';
+	print '<br><div class="center">';
+	print '<input class="button" type="submit" value="' . $langs->trans("Save") . '">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input class="button" type="submit" name="cancel" value="' . $langs->trans("Cancel") . '">';
+	print '</div>';
 	
 	print '</form>';
 }
@@ -214,9 +217,11 @@ else if ($id)
 			
 			print '</table>';
 			
-			print '<br><center><input type="submit" class="button" value="' . $langs->trans("Save") . '"> &nbsp; ';
+			print '<br><div class="center">';
+			print '<input type="submit" class="button" value="' . $langs->trans("Save") . '">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 			print '<input type="submit" name="cancel" class="button" value="' . $langs->trans("Cancel") . '">';
-			print '</center>';
+			print '</div>';
 			
 			print '</form>';
 			
diff --git a/htdocs/accountancy/admin/fiscalyear_card.php b/htdocs/accountancy/admin/fiscalyear_card.php
index 423ac88b490..4958749f0a5 100644
--- a/htdocs/accountancy/admin/fiscalyear_card.php
+++ b/htdocs/accountancy/admin/fiscalyear_card.php
@@ -200,8 +200,11 @@ if ($action == 'create')
 
     print '</table>';
 
-    print '<br><center><input class="button" type="submit" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-    print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'"></center';
+    print '<br><div class="center">';
+	print '<input class="button" type="submit" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+    print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
     print '</form>';
 }
@@ -251,9 +254,11 @@ else if ($id)
 
             print '</table>';
 
-            print '<br><center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; ';
+            print '<br><div class="center">';
+			print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
             print '<input type="submit" name="cancel" class="button" value="'.$langs->trans("Cancel").'">';
-            print '</center>';
+            print '</div>';
 
             print '</form>';
 
diff --git a/htdocs/accountancy/customer/card.php b/htdocs/accountancy/customer/card.php
index 28d3d0c1f79..4249688fabe 100644
--- a/htdocs/accountancy/customer/card.php
+++ b/htdocs/accountancy/customer/card.php
@@ -127,8 +127,11 @@ if (! empty($id)) {
 			print '</td></tr>';
 			print '</table>';
 			
-			print '<br><center><input class="button" type="submit" value="' . $langs->trans("Save") . '"> &nbsp; &nbsp; ';
-			print '<input class="button" type="submit" name="cancel" value="' . $langs->trans("Cancel") . '"></center';
+			print '<br><div class="center">';
+			print '<input class="button" type="submit" value="' . $langs->trans("Save") . '">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+			print '<input class="button" type="submit" name="cancel" value="' . $langs->trans("Cancel") . '">';
+			print '</div>';
 	
 			print '</form>';
 		} else {
diff --git a/htdocs/adherents/admin/public.php b/htdocs/adherents/admin/public.php
index 740a5c97879..0f92e017437 100644
--- a/htdocs/adherents/admin/public.php
+++ b/htdocs/adherents/admin/public.php
@@ -203,9 +203,9 @@ if (! empty($conf->paybox->enabled) || ! empty($conf->paypal->enabled))
 
 print '</table>';
 
-print '<center>';
-print '<br><input type="submit" class="button" value="'.$langs->trans("Modify").'">';
-print '</center>';
+print '<br><div class="center">';
+print '<input type="submit" class="button" value="'.$langs->trans("Modify").'">';
+print '</div>';
 
 print '</form>';
 
diff --git a/htdocs/adherents/card.php b/htdocs/adherents/card.php
index d6295981586..a4463766278 100644
--- a/htdocs/adherents/card.php
+++ b/htdocs/adherents/card.php
@@ -915,7 +915,7 @@ else
 		print "</table>\n";
 		print '<br>';
 
-		print '<center><input type="submit" class="button" value="'.$langs->trans("AddMember").'"></center>';
+		print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("AddMember").'"></div>';
 
 		print "</form>\n";
 
@@ -1164,11 +1164,11 @@ else
 
 		print '</table>';
 
-		print '<br><center>';
+		print '<br><div class="center">';
 		print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-		print ' &nbsp; &nbsp; &nbsp; ';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 		print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-		print '</center';
+		print '</div>';
 
 		print '</form>';
 
diff --git a/htdocs/adherents/card_subscriptions.php b/htdocs/adherents/card_subscriptions.php
index ded8e8ab50a..eade4bf7373 100644
--- a/htdocs/adherents/card_subscriptions.php
+++ b/htdocs/adherents/card_subscriptions.php
@@ -1078,11 +1078,11 @@ if ($rowid)
         print '</table>';
         print '<br>';
 
-        print '<center>';
+        print '<div class="center">';
         print '<input type="submit" class="button" name="add" value="'.$langs->trans("AddSubscription").'">';
-        print ' &nbsp; &nbsp; ';
+        print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
         print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-        print '</center>';
+        print '</div>';
 
         print '</form>';
 
diff --git a/htdocs/adherents/type.php b/htdocs/adherents/type.php
index 0ffdc8b7e7f..a17350a379d 100644
--- a/htdocs/adherents/type.php
+++ b/htdocs/adherents/type.php
@@ -271,9 +271,11 @@ if ($action == 'create')
 	}
 	print "</table>\n";
 
-	print '<br>';
-	print '<center><input type="submit" name="button" class="button" value="'.$langs->trans("Add").'"> &nbsp; &nbsp; ';
-	print '<input type="submit" name="button" class="button" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br><div class="center">';
+	print '<input type="submit" name="button" class="button" value="'.$langs->trans("Add").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="submit" name="button" class="button" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
 	print "</form>\n";
 }
@@ -678,8 +680,11 @@ if ($rowid > 0)
 			print '</table><br><br>';
 		}
 
-		print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; &nbsp;';
-		print '<input type="submit" name="button" class="button" value="'.$langs->trans("Cancel").'"></center>';
+		print '<div class="center">';
+		print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" name="button" class="button" value="'.$langs->trans("Cancel").'">';
+		print '</div>';
 
 		print "</form>";
 	}
diff --git a/htdocs/admin/agenda.php b/htdocs/admin/agenda.php
index 5ad9673a16f..5d10f4614cc 100644
--- a/htdocs/admin/agenda.php
+++ b/htdocs/admin/agenda.php
@@ -184,9 +184,9 @@ if (! empty($triggers))
 }
 print '</table>';
 
-print '<br><center>';
+print '<br><div class="center">';
 print '<input type="submit" name="save" class="button" value="'.$langs->trans("Save").'">';
-print "</center>";
+print "</div>";
 
 print "</form>\n";
 
diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
index 6b683c8b52b..d6ddf70528b 100644
--- a/htdocs/admin/agenda_extsites.php
+++ b/htdocs/admin/agenda_extsites.php
@@ -220,9 +220,9 @@ while ($i <= $MAXAGENDA)
 print '</table>';
 print '<br>';
 
-print '<center>';
-print "<input type=\"submit\" id=\"save\" name=\"save\" class=\"button hideifnotset\" value=\"".$langs->trans("Save")."\">";
-print "</center>";
+print '<div class="center">';
+print '<input type="submit" id="save" name="save" class="button hideifnotset" value="'.$langs->trans("Save").'">';
+print '</div>';
 
 print "</form>\n";
 
diff --git a/htdocs/admin/agenda_other.php b/htdocs/admin/agenda_other.php
index a069a0718c9..033c5d35c18 100644
--- a/htdocs/admin/agenda_other.php
+++ b/htdocs/admin/agenda_other.php
@@ -157,7 +157,7 @@ print '</td></tr>'."\n";
 
 print '</table>';
 
-print '<center><input class="button" type="submit" name="save" value="'.dol_escape_htmltag($langs->trans("Save")).'"></center>';
+print '<div class="center"><input class="button" type="submit" name="save" value="'.dol_escape_htmltag($langs->trans("Save")).'"></div>';
 
 print '</form>';
 
diff --git a/htdocs/admin/agenda_xcal.php b/htdocs/admin/agenda_xcal.php
index 40454ed1302..671c24880bc 100644
--- a/htdocs/admin/agenda_xcal.php
+++ b/htdocs/admin/agenda_xcal.php
@@ -136,9 +136,9 @@ print "</tr>";
 
 print '</table>';
 
-print '<br><center>';
+print '<br><div class="center">';
 print "<input type=\"submit\" name=\"save\" class=\"button\" value=\"".$langs->trans("Save")."\">";
-print "</center>";
+print "</div>";
 
 print "</form>\n";
 
diff --git a/htdocs/admin/clicktodial.php b/htdocs/admin/clicktodial.php
index 3e85d377055..414e0ed1e99 100644
--- a/htdocs/admin/clicktodial.php
+++ b/htdocs/admin/clicktodial.php
@@ -94,7 +94,7 @@ print '</td></tr>';
 
 print '</table>';
 
-print '<center><br><input type="submit" class="button" value="'.$langs->trans("Modify").'"></center>';
+print '<div class="center"><br><input type="submit" class="button" value="'.$langs->trans("Modify").'"></div>';
 
 print '</form><br><br>';
 
diff --git a/htdocs/admin/company.php b/htdocs/admin/company.php
index 96dff7755af..a349973b3dc 100644
--- a/htdocs/admin/company.php
+++ b/htdocs/admin/company.php
@@ -668,11 +668,11 @@ if ($action == 'edit' || $action == 'updateedit')
     }
 
 
-    print '<br><center>';
+    print '<br><div class="center">';
     print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-    print ' &nbsp; &nbsp; ';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
     print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-    print '</center>';
+    print '</div>';
     print '<br>';
 
     print '</form>';
diff --git a/htdocs/admin/delais.php b/htdocs/admin/delais.php
index 274d1adc34e..b795f121234 100644
--- a/htdocs/admin/delais.php
+++ b/htdocs/admin/delais.php
@@ -177,7 +177,7 @@ if ($action == 'edit')
 
 	print '<br>';
 
-    print '<br><center><input type="submit" class="button" value="'.$langs->trans("Save").'"></center>';
+    print '<br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Save").'"></div>';
     print '<br>';
 
     print '</form>';
diff --git a/htdocs/admin/external_rss.php b/htdocs/admin/external_rss.php
index f23e80f78ff..520193a81c3 100644
--- a/htdocs/admin/external_rss.php
+++ b/htdocs/admin/external_rss.php
@@ -214,11 +214,11 @@ print '<td>http://news.google.com/news?ned=us&topic=h&output=rss<br>http://www.d
 print '</tr>';
 print '</table>';
 
-print '<center><br>';
+print '<br><div class="center">';
 print '<input type="submit" class="button" value="'.$langs->trans("Add").'">';
 print '<input type="hidden" name="action" value="add">';
 print '<input type="hidden" name="norss" value="'.($lastexternalrss+1).'">';
-print '<br><br>';
+print '</div><br><br>';
 
 print '</form>';
 
diff --git a/htdocs/admin/fckeditor.php b/htdocs/admin/fckeditor.php
index 2541a6265e7..a66c417923b 100644
--- a/htdocs/admin/fckeditor.php
+++ b/htdocs/admin/fckeditor.php
@@ -165,7 +165,7 @@ else
     $readonly=($mode=='dolibarr_readonly'?1:0);
     $editor=new DolEditor('formtestfield',isset($conf->global->FCKEDITOR_TEST)?$conf->global->FCKEDITOR_TEST:'Test','',200,$mode,'In', true, $uselocalbrowser, 1, 120, 8, $readonly);
     $editor->Create();
-    print '<center><br><input class="button" type="submit" name="save" value="'.$langs->trans("Save").'"></center>'."\n";
+    print '<br><div class="center"><input class="button" type="submit" name="save" value="'.$langs->trans("Save").'"></div>'."\n";
     print '<div id="divforlog"></div>';
     print '</form>'."\n";
 
diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index bd2ffa66342..23e7cc96363 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -287,9 +287,9 @@ if ($action == 'edit')	// Edit
 	print '</table>'."\n";
 
 
-    print '<br><center>';
+    print '<br><div class="center">';
     print '<input class="button" type="submit" value="'.$langs->trans("Save").'">';
-    print '</center>';
+    print '</div>';
 
     print '</form>';
     print '<br>';
diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index bbedab346d1..6ec184d68ec 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -109,7 +109,7 @@ if (empty($reshook))
 	print "<br>";
 
 	// Show logo
-	print '<center><div class="logo_setup"></div></center>';
+	print '<div class="center"><div class="logo_setup"></div></div>';
 }
 
 
diff --git a/htdocs/admin/ldap.php b/htdocs/admin/ldap.php
index ef893031db1..e84a3abfffa 100644
--- a/htdocs/admin/ldap.php
+++ b/htdocs/admin/ldap.php
@@ -239,7 +239,7 @@ print '</td><td>secret</td></tr>';
 
 print '</table>';
 
-print '<center><input type="submit" class="button" value="'.$langs->trans("Modify").'"></center>';
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Modify").'"></div>';
 
 print '</form>';
 
diff --git a/htdocs/admin/limits.php b/htdocs/admin/limits.php
index 5896ffc5416..2281f83bdd1 100644
--- a/htdocs/admin/limits.php
+++ b/htdocs/admin/limits.php
@@ -126,9 +126,9 @@ if ($action == 'edit')
 
     print '</table>';
 
-    print '<br><center>';
+    print '<br><div class="center">';
     print '<input class="button" type="submit" value="'.$langs->trans("Save").'">';
-    print '</center>';
+    print '</div>';
 
     print '</form>';
     print '<br>';
diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index 61914d1a09c..b39760c6907 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -477,11 +477,11 @@ if ($action == 'edit')
 	print '"></td></tr>';
 	print '</table>';
 
-	print '<br><center>';
+	print '<br><div class="center">';
 	print '<input class="button" type="submit" name="save" value="'.$langs->trans("Save").'">';
-	print ' &nbsp; &nbsp; ';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
-	print '</center>';
+	print '</div>';
 
 	print '</form>';
 	print '<br>';
diff --git a/htdocs/admin/menus.php b/htdocs/admin/menus.php
index 6dfefd14feb..c5fb55cbce5 100644
--- a/htdocs/admin/menus.php
+++ b/htdocs/admin/menus.php
@@ -203,11 +203,11 @@ if ($action == 'edit')
 
 	print '</table>';
 
-	print '<br><center>';
+	print '<br><div class="center">';
 	print '<input class="button" type="submit" name="save" value="'.$langs->trans("Save").'">';
-	print ' &nbsp; &nbsp; ';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
-	print '</center>';
+	print '</div>';
 
 	print '</form>';
 }
diff --git a/htdocs/admin/menus/edit.php b/htdocs/admin/menus/edit.php
index ff015884bbc..c8964d7bbaa 100644
--- a/htdocs/admin/menus/edit.php
+++ b/htdocs/admin/menus/edit.php
@@ -369,9 +369,11 @@ if ($action == 'create')
     print '</table>';
 
     // Boutons
-    print '<center><br><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-    print ' &nbsp; &nbsp; ';
-    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+    print '<br><div class="center">';
+	print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
     print '</form>';
 }
@@ -453,9 +455,11 @@ elseif ($action == 'edit')
     print '</table>';
 
     // Bouton
-    print '<center><br><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-    print ' &nbsp; &nbsp; ';
-    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+    print '<br><div class="center">';
+	print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
     print '</form>';
 
diff --git a/htdocs/admin/notification.php b/htdocs/admin/notification.php
index 14aeba65c29..ce3c8d10f73 100644
--- a/htdocs/admin/notification.php
+++ b/htdocs/admin/notification.php
@@ -142,7 +142,7 @@ print '</table>';
 
 print '<br>';
 
-print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"></center>';
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Save").'"></div>';
 
 print '</form>';
 
diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index f21687eecf7..64a213467d4 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -250,9 +250,9 @@ if ($action == 'edit')	// Edit
 
 	print '</table>';
 
-    print '<br><center>';
+    print '<br><div class="center">';
     print '<input class="button" type="submit" value="'.$langs->trans("Save").'">';
-    print '</center>';
+    print '</div>';
 
     print '</form>';
     print '<br>';
diff --git a/htdocs/admin/prelevement.php b/htdocs/admin/prelevement.php
index 6094bb7e4f1..c5e7ddfabf6 100644
--- a/htdocs/admin/prelevement.php
+++ b/htdocs/admin/prelevement.php
@@ -161,7 +161,7 @@ print '</td></tr>';
 print '</table>';
 print '<br>';
 
-print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"></center>';
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Save").'"></div>';
 
 print '</form>';
 
diff --git a/htdocs/admin/sms.php b/htdocs/admin/sms.php
index 0ba8427cca5..6213acec5b7 100644
--- a/htdocs/admin/sms.php
+++ b/htdocs/admin/sms.php
@@ -203,11 +203,11 @@ if ($action == 'edit')
 	*/
 	print '</table>';
 
-	print '<br><center>';
+	print '<br><div class="center">';
 	print '<input class="button" type="submit" name="save" value="'.$langs->trans("Save").'"'.(!count($listofmethods)?' disabled="disbaled"':'').'>';
-	print ' &nbsp; &nbsp; ';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
-	print '</center>';
+	print '</div>';
 
 	print '</form>';
 	print '<br>';
diff --git a/htdocs/admin/tools/index.php b/htdocs/admin/tools/index.php
index ec72b30864f..abb9710cc03 100644
--- a/htdocs/admin/tools/index.php
+++ b/htdocs/admin/tools/index.php
@@ -53,7 +53,7 @@ print '<br><br>';
 
 
 // Show logo
-print '<center><div class="logo_setup"></div></center>';
+print '<div class="center"><div class="logo_setup"></div></div>';
 
 llxFooter();
 $db->close();
diff --git a/htdocs/admin/tools/purge.php b/htdocs/admin/tools/purge.php
index 4f3f14302fd..a872c0676f2 100644
--- a/htdocs/admin/tools/purge.php
+++ b/htdocs/admin/tools/purge.php
@@ -151,7 +151,7 @@ print '</td></tr></table>';
 if ($choice != 'confirm_allfiles')
 {
 	print '<br>';
-	print '<center><input class="button" type="submit" value="'.$langs->trans("PurgeRunNow").'"></center>';
+	print '<div class="center"><input class="button" type="submit" value="'.$langs->trans("PurgeRunNow").'"></div>';
 }
 
 print '</form>';
diff --git a/htdocs/bookmarks/admin/bookmark.php b/htdocs/bookmarks/admin/bookmark.php
index 68adb30f7ab..95be1b5251a 100644
--- a/htdocs/bookmarks/admin/bookmark.php
+++ b/htdocs/bookmarks/admin/bookmark.php
@@ -80,7 +80,7 @@ print '<tr '.$bc[$var].'><td>';
 print $langs->trans("NbOfBoomarkToShow").'</td><td>';
 print '<input size="3" type="text" name="BOOKMARKS_SHOW_IN_MENU" value="'.$conf->global->BOOKMARKS_SHOW_IN_MENU.'">';
 print '</td></tr>';
-print '</table><br /><center><input type="submit" class="button" value="'.$langs->trans("Modify").'"></center></form>';
+print '</table><br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Modify").'"></div></form>';
 
 $db->close();
 
diff --git a/htdocs/cashdesk/admin/cashdesk.php b/htdocs/cashdesk/admin/cashdesk.php
index 277dc81820b..18bb626507f 100644
--- a/htdocs/cashdesk/admin/cashdesk.php
+++ b/htdocs/cashdesk/admin/cashdesk.php
@@ -148,7 +148,7 @@ if (! empty($conf->service->enabled))
 print '</table>';
 print '<br>';
 
-print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"></center>';
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Save").'"></div>';
 
 print "</form>\n";
 
diff --git a/htdocs/cashdesk/tpl/liste_articles.tpl.php b/htdocs/cashdesk/tpl/liste_articles.tpl.php
index 2fac2e2a16a..e640113e562 100644
--- a/htdocs/cashdesk/tpl/liste_articles.tpl.php
+++ b/htdocs/cashdesk/tpl/liste_articles.tpl.php
@@ -42,7 +42,7 @@ $tab=array();
 $tab = $_SESSION['poscart'];
 
 $tab_size=count($tab);
-if ($tab_size <= 0) print '<center>'.$langs->trans("NoArticle").'<center><br>';
+if ($tab_size <= 0) print '<div class="center">'.$langs->trans("NoArticle").'</div><br>';
 else
 {
     for ($i=0;$i < $tab_size;$i++)
diff --git a/htdocs/categories/card.php b/htdocs/categories/card.php
index 672c92b9508..98eaa053635 100644
--- a/htdocs/categories/card.php
+++ b/htdocs/categories/card.php
@@ -256,11 +256,11 @@ if ($user->rights->categorie->creer)
 
 		print '</table>';
 
-		print '<center><br>';
+		print '<br><div class="center">';
 		print '<input type="submit" class="button" value="'.$langs->trans("CreateThisCat").'" name="creation" />';
-		print ' &nbsp; &nbsp; ';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 		print '<input type="submit" class="button" value="'.$langs->trans("Cancel").'" name="cancel" />';
-		print '</center>';
+		print '</div>';
 
 		print '</form>';
 	}
diff --git a/htdocs/categories/edit.php b/htdocs/categories/edit.php
index aa82fdb455d..245509578d0 100644
--- a/htdocs/categories/edit.php
+++ b/htdocs/categories/edit.php
@@ -163,8 +163,7 @@ if (empty($reshook) && ! empty($extrafields->attribute_label))
 print '</table>';
 print '<br>';
 
-print '<center><input type="submit" class="button" value="'.$langs->trans("Modify").'">';
-print '</center>';
+print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Modify").'"></div>';
 
 print '</form>';
 
diff --git a/htdocs/categories/traduction.php b/htdocs/categories/traduction.php
index 0c154a0b72f..98d4fb2b930 100644
--- a/htdocs/categories/traduction.php
+++ b/htdocs/categories/traduction.php
@@ -190,9 +190,11 @@ if ($action == 'edit')
 		}
 	}
 
-	print '<br /><center>';
-	print '<input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br /><div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
 	print '</form>';
 
@@ -266,9 +268,11 @@ if ($action == 'add' && ($user->rights->produit->creer || $user->rights->service
 	print '</tr>';
 	print '</table>';
 
-	print '<br><center>';
-	print '<input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br><div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
 	print '</form>';
 
diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 1cb3bc741bc..596ce207f9b 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -779,11 +779,11 @@ if ($action == 'create')
 
 	print '</table>';
 
-	print '<center><br>';
+	print '<br><div class="center">';
 	print '<input type="submit" class="button" value="'.$langs->trans("Add").'">';
-	print ' &nbsp; &nbsp; ';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-	print '</center>';
+	print '</div>';
 
 	print "</form>";
 }
@@ -1013,9 +1013,11 @@ if ($id > 0)
 
 		dol_fiche_end();
 
-		print '<center><input type="submit" class="button" name="edit" value="'.$langs->trans("Save").'">';
-		print ' &nbsp; &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-		print '</center>';
+		print '<div class="center">';
+		print '<input type="submit" class="button" name="edit" value="'.$langs->trans("Save").'">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+		print '</div>';
 
 		print '</form>';
 	}
diff --git a/htdocs/comm/address.php b/htdocs/comm/address.php
index 0ffcb351500..963847aee18 100644
--- a/htdocs/comm/address.php
+++ b/htdocs/comm/address.php
@@ -281,14 +281,14 @@ if ($action == 'create')
 
         print '</table>'."\n";
 
-        print '<br><center>';
+        print '<br><div class="center">';
         print '<input type="submit" class="button" value="'.$langs->trans('Add').'">';
         if (! empty($backtopage))
         {
-        	print ' &nbsp; &nbsp; ';
+        	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
         	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
         }
-        print '</center>'."\n";
+        print '</div>'."\n";
 
         print '</form>'."\n";
 
@@ -381,11 +381,11 @@ elseif ($action == 'edit')
 
         print '</table><br>';
 
-        print '<center>';
+        print '<div class="center">';
         print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-        print ' &nbsp; ';
+        print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
         print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-        print '</center>';
+        print '</div>';
 
         print '</form>';
     }
diff --git a/htdocs/comm/mailing/card.php b/htdocs/comm/mailing/card.php
index 678ea8f622d..15a74483411 100644
--- a/htdocs/comm/mailing/card.php
+++ b/htdocs/comm/mailing/card.php
@@ -701,7 +701,7 @@ if ($action == 'create')
 	print '</td></tr>';
 	print '</table>';
 
-	print '<br><center><input type="submit" class="button" value="'.$langs->trans("CreateMailing").'"></center>';
+	print '<br><div class="center"><input type="submit" class="button" value="'.$langs->trans("CreateMailing").'"></div>';
 
 	print '</form>';
 }
@@ -1139,11 +1139,11 @@ else
 
 			print '</table>';
 
-			print '<br><center>';
+			print '<br><div class="center">';
 			print '<input type="submit" class="button" value="'.$langs->trans("Save").'" name="save">';
-			print ' &nbsp; ';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 			print '<input type="submit" class="button" value="'.$langs->trans("Cancel").'" name="cancel">';
-			print '</center>';
+			print '</div>';
 
 			print '</form>';
 			print '<br>';
diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index 6d23d3a982d..65f88cddbd8 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -1514,10 +1514,11 @@ if ($action == 'create')
 
 
 	$langs->load("bills");
-	print '<center>';
+	print '<div class="center">';
 	print '<input type="submit" class="button" value="' . $langs->trans("CreateDraft") . '">';
-	print '&nbsp;<input type="button" class="button" value="' . $langs->trans("Cancel") . '" onClick="javascript:history.go(-1)">';
-	print '</center>';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="button" class="button" value="' . $langs->trans("Cancel") . '" onClick="javascript:history.go(-1)">';
+	print '</div>';
 
 	print "</form>";
 
diff --git a/htdocs/comm/remise.php b/htdocs/comm/remise.php
index fe3e39d266d..b2d92dd55dc 100644
--- a/htdocs/comm/remise.php
+++ b/htdocs/comm/remise.php
@@ -136,14 +136,14 @@ if ($socid > 0)
 
 	print "</table>";
 
-	print '<center>';
+	print '<div class="center">';
 	print '<input type="submit" class="button" value="'.$langs->trans("Modify").'">';
     if (! empty($backtopage))
     {
-        print '&nbsp; &nbsp; ';
+        print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
     }
-	print '</center>';
+	print '</div>';
 
 	print "</form>";
 
diff --git a/htdocs/comm/remx.php b/htdocs/comm/remx.php
index 79f952fe7fd..b0475871458 100644
--- a/htdocs/comm/remx.php
+++ b/htdocs/comm/remx.php
@@ -278,14 +278,14 @@ if ($socid > 0)
 
 	print "</table>";
 
-	print '<center>';
+	print '<div class="center">';
 	print '<input type="submit" class="button" name="submit" value="'.$langs->trans("AddGlobalDiscount").'">';
     if (! empty($backtopage))
     {
-        print '&nbsp; &nbsp; ';
+        print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
     }
-	print '</center>';
+	print '</div>';
 
 	print '</form>';
 
diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index 4bf1eceb6dc..7f9cfb102fd 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -1530,7 +1530,7 @@ if ($action == 'create' && $user->rights->commande->creer) {
 	print '</table>';
 
 	// Button "Create Draft"
-	print '<br><center><input type="submit" class="button" name="bouton" value="' . $langs->trans('CreateDraft') . '"></center>';
+	print '<br><div class="center"><input type="submit" class="button" name="bouton" value="' . $langs->trans('CreateDraft') . '"></div>';
 
 	print '</form>';
 
diff --git a/htdocs/commande/orderstoinvoice.php b/htdocs/commande/orderstoinvoice.php
index 1009b030210..99458e3aea0 100644
--- a/htdocs/commande/orderstoinvoice.php
+++ b/htdocs/commande/orderstoinvoice.php
@@ -496,7 +496,7 @@ if ($action == 'create' && !$error)
 	}
 
 	// Button "Create Draft"
-	print '<br><center><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'" /></center>';
+	print '<br><div class="center"><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'" /></div>';
 	print "</form>\n";
 
 	print '</td></tr>';
@@ -683,7 +683,7 @@ if (($action != 'create' && $action != 'add') || !$error)
 		/*
 		 * Boutons actions
 		*/
-		print '<center><br><input type="checkbox" checked="checked" name="autocloseorders"> '.$langs->trans("CloseProcessedOrdersAutomatically");
+		print '<br><div class="center"><input type="checkbox" checked="checked" name="autocloseorders"> '.$langs->trans("CloseProcessedOrdersAutomatically");
 		print '<div align="right">';
 		print '<input type="hidden" name="socid" value="'.$socid.'">';
 		print '<input type="hidden" name="action" value="create">';
@@ -691,6 +691,7 @@ if (($action != 'create' && $action != 'add') || !$error)
 		//print '<a class="butAction" href="index.php">'.$langs->trans("GoBack").'</a>';
 		print '<input type="submit" class="butAction" value="'.$langs->trans("GenerateBill").'">';
 		print '</div>';
+		print '</div>';
 		print '</form>';
 		$db->free($resql);
 	}
diff --git a/htdocs/compta/bank/annuel.php b/htdocs/compta/bank/annuel.php
index 30cf5b9c5ac..e5bafe8fed6 100644
--- a/htdocs/compta/bank/annuel.php
+++ b/htdocs/compta/bank/annuel.php
@@ -496,11 +496,11 @@ else
 	unset($tblyear[1]);
 	unset($tblyear[2]);
 
-	print '<div class="fichecenter"><div class="fichehalfleft"><center>';
+	print '<div class="fichecenter"><div class="fichehalfleft"><div class="center">';
 	print $show1;
-	print '</center></div><div class="fichehalfright"><div class="ficheaddleft"><center>';
+	print '</div></div><div class="fichehalfright"><div class="ficheaddleft"><div class="center">';
 	print $show2;
-	print '</center></div></div></div>';
+	print '</div></div></div></div>';
 	print '<div style="clear:both"></div>';
 }
 
diff --git a/htdocs/compta/bank/card.php b/htdocs/compta/bank/card.php
index b1852785466..fd1f3f9ee8e 100644
--- a/htdocs/compta/bank/card.php
+++ b/htdocs/compta/bank/card.php
@@ -354,7 +354,7 @@ if ($action == 'create')
 
 	print '</table>';
 
-	print '<center><br><input value="'.$langs->trans("CreateAccount").'" type="submit" class="button"></center>';
+	print '<br><div class="center"><input value="'.$langs->trans("CreateAccount").'" type="submit" class="button"></div>';
 
 	print '</form>';
 }
@@ -647,8 +647,11 @@ else
 
 		print '</table>';
 
-		print '<center><br><input value="'.$langs->trans("Modify").'" type="submit" class="button">';
-		print ' &nbsp; <input name="cancel" value="'.$langs->trans("Cancel").'" type="submit" class="button"></center>';
+		print '<br><div class="center">';
+		print '<input value="'.$langs->trans("Modify").'" type="submit" class="button">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input name="cancel" value="'.$langs->trans("Cancel").'" type="submit" class="button">';
+		print '</div>';
 
 		print '</form>';
 	}
diff --git a/htdocs/compta/bank/virement.php b/htdocs/compta/bank/virement.php
index 601db34c964..0672104ff60 100644
--- a/htdocs/compta/bank/virement.php
+++ b/htdocs/compta/bank/virement.php
@@ -182,7 +182,7 @@ print '<td><input name="amount" class="flat" type="text" size="8" value="'.$amou
 
 print "</table>";
 
-print '<br><center><input type="submit" class="button" value="'.$langs->trans("Add").'"></center>';
+print '<br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Add").'"></div>';
 
 print "</form>";
 
diff --git a/htdocs/compta/deplacement/card.php b/htdocs/compta/deplacement/card.php
index 20433118bbf..bcef3512c33 100644
--- a/htdocs/compta/deplacement/card.php
+++ b/htdocs/compta/deplacement/card.php
@@ -303,8 +303,11 @@ if ($action == 'create')
 
     print '</table>';
 
-    print '<br><center><input class="button" type="submit" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-    print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'"></center';
+    print '<br><div class="center">';
+	print '<input class="button" type="submit" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+    print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
     print '</form>';
 }
@@ -396,9 +399,11 @@ else if ($id)
 
             print '</table>';
 
-            print '<br><center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; ';
+            print '<br><div class="center">';
+			print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
             print '<input type="submit" name="cancel" class="button" value="'.$langs->trans("Cancel").'">';
-            print '</center>';
+            print '</div>';
 
             print '</form>';
 
diff --git a/htdocs/compta/dons/card.php b/htdocs/compta/dons/card.php
index e453ef623c3..ba2441be1b8 100644
--- a/htdocs/compta/dons/card.php
+++ b/htdocs/compta/dons/card.php
@@ -329,7 +329,7 @@ if ($action == 'create')
     $reshook=$hookmanager->executeHooks('formObjectOptions',$parameters,$don,$action);    // Note that $action and $object may have been modified by hook
 
 	print "</table>\n";
-	print '<br><center><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br><div class="center"><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></div>';
 	print "</form>\n";
 }
 
@@ -429,7 +429,7 @@ if (! empty($id) && $action == 'edit')
 
 	print "</table>\n";
 
-	print '<br><center><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br><div class="center"><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; <input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></div>';
 
 	print "</form>\n";
 
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 9d003ae0aa7..56b8cbd5e5f 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -2275,10 +2275,11 @@ if ($action == 'create')
 	print "</table>\n";
 
 	// Button "Create Draft"
-	print '<br><center>';
+	print '<br><div class="center">';
 	print '<input type="submit" class="button" name="bouton" value="' . $langs->trans('CreateDraft') . '">';
-	print '&nbsp;<input type="button" class="button" value="' . $langs->trans("Cancel") . '" onClick="javascript:history.go(-1)">';
-	print '</center>';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="button" class="button" value="' . $langs->trans("Cancel") . '" onClick="javascript:history.go(-1)">';
+	print '</div>';
 
 	print "</form>\n";
 
@@ -3486,7 +3487,7 @@ if ($action == 'create')
 					$i ++;
 				}
 				print '</table>';
-				print '<br><center><input type="submit" class="button" value="' . $langs->trans('ToLink') . '"> &nbsp; <input type="submit" class="button" name="cancel" value="' . $langs->trans('Cancel') . '"></center>';
+				print '<br><div class="center"><input type="submit" class="button" value="' . $langs->trans('ToLink') . '"> &nbsp; <input type="submit" class="button" name="cancel" value="' . $langs->trans('Cancel') . '"></div>';
 				print '</form>';
 				$db->free($resqlorderlist);
 			} else {
diff --git a/htdocs/compta/localtax/card.php b/htdocs/compta/localtax/card.php
index 1b16064ed9e..308bcac6dc9 100644
--- a/htdocs/compta/localtax/card.php
+++ b/htdocs/compta/localtax/card.php
@@ -190,8 +190,11 @@ if ($_GET["action"] == 'create')
 
 	print "<br>";
 
-	print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; ';
-    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
     print '</form>';
 }
diff --git a/htdocs/compta/paiement.php b/htdocs/compta/paiement.php
index 56278f15c5d..0ccf0dee6bf 100644
--- a/htdocs/compta/paiement.php
+++ b/htdocs/compta/paiement.php
@@ -626,7 +626,7 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
         	$buttontitle=$langs->trans('ToMakePayment');
         	if ($facture->type == 2) $buttontitle=$langs->trans('ToMakePaymentBack');
 
-        	print '<center><br>';
+        	print '<br><div class="center">';
         	print '<input type="checkbox" checked="checked" name="closepaidinvoices"> '.$checkboxlabel;
             /*if (! empty($conf->prelevement->enabled))
             {
@@ -634,7 +634,7 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
                 if (! empty($conf->global->WITHDRAW_DISABLE_AUTOCREATE_ONPAYMENTS)) print '<br>'.$langs->trans("IfInvoiceNeedOnWithdrawPaymentWontBeClosed");
             }*/
             print '<br><input type="submit" class="button" value="'.dol_escape_htmltag($buttontitle).'"><br><br>';
-            print '</center>';
+            print '</div>';
         }
 
         // Form to confirm payment
diff --git a/htdocs/compta/paiement/cheque/card.php b/htdocs/compta/paiement/cheque/card.php
index 0c5eeca3689..fbf9512e438 100644
--- a/htdocs/compta/paiement/cheque/card.php
+++ b/htdocs/compta/paiement/cheque/card.php
@@ -358,14 +358,14 @@ if ($action == 'new')
     print $form->select_comptes($filteraccountid,'accountid',0,'courant <> 2',1);
     print '</td></tr>';
 	print '</table>';
-    print '<center>';
+    print '<div class="center">';
 	print '<input type="submit" class="button" name="filter" value="'.dol_escape_htmltag($langs->trans("ToFilter")).'">';
     if ($filterdate || $filteraccountid > 0)
     {
     	print ' &nbsp; ';
     	print '<input type="submit" class="button" name="removefilter" value="'.dol_escape_htmltag($langs->trans("RemoveFilter")).'">';
     }
-	print '</center>';
+	print '</div>';
     //print '</fieldset>';
 	print '</form>';
 	print '<br>';
diff --git a/htdocs/compta/paiement_charge.php b/htdocs/compta/paiement_charge.php
index 7e26fa5789f..1c452bc0b02 100644
--- a/htdocs/compta/paiement_charge.php
+++ b/htdocs/compta/paiement_charge.php
@@ -312,13 +312,11 @@ if ($_GET["action"] == 'create')
 
 	print "</table>";
 
-	print '<br><center>';
-
+	print '<br><div class="center">';
 	print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-	print '&nbsp; &nbsp;';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-
-	print '</center>';
+	print '</div>';
 
 	print "</form>\n";
 }
diff --git a/htdocs/compta/prelevement/card.php b/htdocs/compta/prelevement/card.php
index e2a5e846b0a..9875c8df906 100644
--- a/htdocs/compta/prelevement/card.php
+++ b/htdocs/compta/prelevement/card.php
@@ -218,7 +218,7 @@ if ($id > 0)
 		print '<input class="flat" type="file" name="userfile"><br>';
 		print '</td></tr>';*/
 		print '</table><br>';
-		print '<center><input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans("SetToStatusSent")).'">';
+		print '<div class="center"><input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans("SetToStatusSent")).'"></div>';
 		print '</form>';
 	}
 
@@ -235,7 +235,7 @@ if ($id > 0)
 		print '</td></tr>';
 		print '</table>';
 		print '<br>'.$langs->trans("ThisWillAlsoAddPaymentOnInvoice");
-		print '<center><input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans("ClassCredited")).'">';
+		print '<div class="center"><input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans("ClassCredited")).'"></div>';
 		print '</form>';
 	}
 
diff --git a/htdocs/compta/prelevement/ligne.php b/htdocs/compta/prelevement/ligne.php
index f1617979645..2af8a25b003 100644
--- a/htdocs/compta/prelevement/ligne.php
+++ b/htdocs/compta/prelevement/ligne.php
@@ -216,7 +216,7 @@ if ($id)
 		print '</table><br>';
 
 		//Confirm Button
-		print '<center><input type="submit" class="button" value='.$langs->trans("Confirm").'><center>';
+		print '<div class="center"><input type="submit" class="button" value='.$langs->trans("Confirm").'></div>';
 		print '</form>';
 	}
 
diff --git a/htdocs/compta/salaries/card.php b/htdocs/compta/salaries/card.php
index 3ee796c6134..16ef809f713 100644
--- a/htdocs/compta/salaries/card.php
+++ b/htdocs/compta/salaries/card.php
@@ -274,8 +274,11 @@ if ($action == 'create')
 
 	print "<br>";
 
-	print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; ';
-	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
 	print '</form>';
 }
diff --git a/htdocs/compta/tva/card.php b/htdocs/compta/tva/card.php
index 268a1af8e66..b612a9b6459 100644
--- a/htdocs/compta/tva/card.php
+++ b/htdocs/compta/tva/card.php
@@ -230,8 +230,11 @@ if ($action == 'create')
 
 	print "<br>";
 
-	print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; ';
-    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
     print '</form>';
 }
diff --git a/htdocs/contact/card.php b/htdocs/contact/card.php
index db83554c7ae..bcdea083c3f 100644
--- a/htdocs/contact/card.php
+++ b/htdocs/contact/card.php
@@ -614,14 +614,14 @@ else
             print "</table><br><br>";
 
 
-            print '<center>';
+            print '<div class="center">';
             print '<input type="submit" class="button" name="add" value="'.$langs->trans("Add").'">';
             if (! empty($backtopage))
             {
                 print ' &nbsp; &nbsp; ';
                 print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
             }
-            print '</center>';
+            print '</div>';
 
             print "</form>";
         }
@@ -858,11 +858,11 @@ else
 
             print '</table><br>';
 
-            print '<center>';
+            print '<div class="center">';
             print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-            print ' &nbsp; ';
+            print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
             print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-            print '</center>';
+            print '</div>';
 
             print "</form>";
         }
diff --git a/htdocs/contact/perso.php b/htdocs/contact/perso.php
index 92ba03e9861..19644fe5bf5 100644
--- a/htdocs/contact/perso.php
+++ b/htdocs/contact/perso.php
@@ -145,11 +145,11 @@ if ($action == 'edit')
 
     print "</table><br>";
 
-    print '<center>';
+    print '<div class="center">';
     print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-    print ' &nbsp; ';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
     print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-    print '</center>';
+    print '</div>';
 
     print "</form>";
 }
diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index 20fd6939f5d..dfee64919c8 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -1026,7 +1026,7 @@ if ($action == 'create')
         print '<input type="hidden" name="originid"       value="'.$objectsrc->id.'">';
 	}
 
-    print '<br><center><input type="submit" class="button" value="'.$langs->trans("Create").'"></center>';
+    print '<br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Create").'"></div>';
 
     print "</form>\n";
 
diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index 308534f3ebf..07edb962371 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -651,7 +651,7 @@ class FormMail
 
         	if ($this->withform == 1 || $this->withform == -1)
         	{
-        		$out.= '<tr><td align="center" colspan="2"><center>';
+        		$out.= '<tr><td align="center" colspan="2"><div class="center">';
         		$out.= '<input class="button" type="submit" id="sendmail" name="sendmail" value="'.$langs->trans("SendMail").'"';
         		// Add a javascript test to avoid to forget to submit file before sending email
         		if ($this->withfile == 2 && $conf->use_javascript_ajax)
@@ -664,7 +664,7 @@ class FormMail
         			$out.= ' &nbsp; &nbsp; ';
         			$out.= '<input class="button" type="submit" id="cancel" name="cancel" value="'.$langs->trans("Cancel").'" />';
         		}
-        		$out.= '</center></td></tr>'."\n";
+        		$out.= '</div></td></tr>'."\n";
         	}
 
         	$out.= '</table>'."\n";
diff --git a/htdocs/core/class/html.formsms.class.php b/htdocs/core/class/html.formsms.class.php
index 941cef40be6..51841a27e24 100644
--- a/htdocs/core/class/html.formsms.class.php
+++ b/htdocs/core/class/html.formsms.class.php
@@ -320,15 +320,14 @@ function limitChars(textarea, limit, infodiv)
 
         print "</table>\n";
 
-        print '<center>';
-        print "<input class=\"button\" type=\"submit\" name=\"sendmail\" value=\"".$langs->trans("SendSms")."\"";
-        print ">";
+        print '<div class="center">';
+        print '<input class="button" type="submit" name="sendmail" value="'.$langs->trans("SendSms").'">';
         if ($this->withcancel)
         {
-            print " &nbsp; &nbsp; ";
-            print "<input class=\"button\" type=\"submit\" name=\"cancel\" value=\"".$langs->trans("Cancel")."\">";
+            print '&nbsp;&nbsp;&nbnp;&nbsp;&nbsp;';
+            print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
         }
-        print "</center>\n";
+        print '</div>';
 
         print "</form>\n";
         print "<!-- End form SMS -->\n";
diff --git a/htdocs/core/menus/standard/auguria.lib.php b/htdocs/core/menus/standard/auguria.lib.php
index c411ef96039..8d5cc637898 100644
--- a/htdocs/core/menus/standard/auguria.lib.php
+++ b/htdocs/core/menus/standard/auguria.lib.php
@@ -231,7 +231,7 @@ function print_left_auguria_menu($db,$menu_array_before,$menu_array_after,&$tabM
 			print '<div class="menu_titre" id="menu_titre_logo"></div>';
 			print '<div class="menu_top" id="menu_top_logo"></div>';
 			print '<div class="menu_contenu" id="menu_contenu_logo">';
-			print '<center><img title="" src="'.$urllogo.'"></center>'."\n";
+			print '<div class="center"><img title="" src="'.$urllogo.'"></div>'."\n";
 			print '</div>';
 			print '<div class="menu_end" id="menu_end_logo"></div>';
 			print '</div>'."\n";
diff --git a/htdocs/core/menus/standard/eldy.lib.php b/htdocs/core/menus/standard/eldy.lib.php
index 781de5f2913..aaf24d5b07e 100644
--- a/htdocs/core/menus/standard/eldy.lib.php
+++ b/htdocs/core/menus/standard/eldy.lib.php
@@ -436,7 +436,7 @@ function print_left_eldy_menu($db,$menu_array_before,$menu_array_after,&$tabMenu
 			print '<div class="menu_titre" id="menu_titre_logo"></div>';
 			print '<div class="menu_top" id="menu_top_logo"></div>';
 			print '<div class="menu_contenu" id="menu_contenu_logo">';
-			print '<center><img title="" src="'.$urllogo.'"></center>'."\n";
+			print '<div class="center"><img title="" src="'.$urllogo.'"></div>'."\n";
 			print '</div>';
 			print '<div class="menu_end" id="menu_end_logo"></div>';
 			print '</div>'."\n";
diff --git a/htdocs/core/modules/dons/html_cerfafr.html b/htdocs/core/modules/dons/html_cerfafr.html
index 2dc9c72968c..ca3f3510eee 100644
--- a/htdocs/core/modules/dons/html_cerfafr.html
+++ b/htdocs/core/modules/dons/html_cerfafr.html
@@ -157,8 +157,8 @@
 			  <table border="0" bgcolor="#ffffff" cellspacing="0" cellpadding="3">
 			    <tr>
 			      <td width="160" height="100" valign="top">
-				<center>__Date__ & __Signature__</center>
-				<center>__NOW__</center>
+					<div class="center">__Date__ & __Signature__</div>
+					<div class="center">__NOW__</div>
 			      </td>
 			    </tr>
 			  </table>
diff --git a/htdocs/core/photos_resize.php b/htdocs/core/photos_resize.php
index 2d18c6154f8..3a51a5f7567 100644
--- a/htdocs/core/photos_resize.php
+++ b/htdocs/core/photos_resize.php
@@ -173,11 +173,11 @@ if (! empty($conf->use_javascript_ajax))
 	print '<fieldset id="redim_file">';
 	print '<legend>'.$langs->trans("Recenter").'</legend>';
 	print $langs->trans("DefineNewAreaToPick").'...<br>';
-	print '<br><center>';
+	print '<br><div class="center">';
 	print '<div style="border: 1px solid #888888; width: '.$widthforcrop.'px;">';
 	print '<img src="'.DOL_URL_ROOT.'/viewimage.php?modulepart=product&entity='.$object->entity.'&file='.$original_file.'" alt="" id="cropbox" width="'.$widthforcrop.'px"/>';
 	print '</div>';
-	print '</center><br>';
+	print '</div><br>';
 	print '<form action="'.$_SERVER["PHP_SELF"].'?id='.$id.'" method="post" onsubmit="return checkCoords();">
 	      <div class="jc_coords">
 	         '.$langs->trans("NewSizeAfterCropping").':
diff --git a/htdocs/core/tpl/login.tpl.php b/htdocs/core/tpl/login.tpl.php
index 23d8dd4f326..b314104f734 100644
--- a/htdocs/core/tpl/login.tpl.php
+++ b/htdocs/core/tpl/login.tpl.php
@@ -46,7 +46,7 @@ $(document).ready(function () {
 </script>
 <?php } ?>
 
-<center>
+<div class="center">
 <div class="login_vertical_align">
 
 
@@ -68,7 +68,7 @@ $(document).ready(function () {
 <input type="hidden" name="dol_use_jmobile" id="dol_use_jmobile" value="<?php echo $dol_use_jmobile; ?>" />
 
 <table class="login_table_title center" summary="<?php echo dol_escape_htmltag($title); ?>">
-<tr class="vmenu"><td align="center"><?php echo dol_escape_htmltag($title); ?></td></tr>
+<tr class="vmenu"><td class="center"><?php echo dol_escape_htmltag($title); ?></td></tr>
 </table>
 <br>
 
@@ -152,7 +152,7 @@ if ($forgetpasslink || $helpcenterlink)
 	if ($dol_use_jmobile)    $moreparam.=(strpos($moreparam,'?')===false?'?':'&').'dol_use_jmobile='.$dol_use_jmobile;
 
 	echo '<br>';
-	echo '<div align="center" style="margin-top: 4px;">';
+	echo '<div class="center" style="margin-top: 4px;">';
 	if ($forgetpasslink) {
 		echo '<a class="alogin" href="'.DOL_URL_ROOT.'/user/passwordforgotten.php'.$moreparam.'">(';
 		echo $langs->trans('PasswordForgotten');
@@ -179,7 +179,7 @@ if (isset($conf->file->main_authentication) && preg_match('/openid/',$conf->file
 
 	//if (! empty($conf->global->MAIN_OPENIDURL_PERUSER)) $url=
 	echo '<br>';
-	echo '<div align="center" style="margin-top: 4px;">';
+	echo '<div class="center" style="margin-top: 4px;">';
 
 	$url=$conf->global->MAIN_AUTHENTICATION_OPENID_URL;
 	if (! empty($url)) print '<a class="alogin" href="'.$url.'">'.$langs->trans("LoginUsingOpenID").'</a>';
@@ -261,7 +261,7 @@ if (! empty($conf->google->enabled) && ! empty($conf->global->MAIN_GOOGLE_AD_CLI
 	if (empty($conf->dol_use_jmobile))
 	{
 ?>
-	<div align="center"><br>
+	<div class="center"><br>
 		<script type="text/javascript"><!--
 			google_ad_client = "<?php echo $conf->global->MAIN_GOOGLE_AD_CLIENT ?>";
 			google_ad_slot = "<?php echo $conf->global->MAIN_GOOGLE_AD_SLOT ?>";
diff --git a/htdocs/core/tpl/passwordforgotten.tpl.php b/htdocs/core/tpl/passwordforgotten.tpl.php
index af27aff944b..88c823e70f4 100644
--- a/htdocs/core/tpl/passwordforgotten.tpl.php
+++ b/htdocs/core/tpl/passwordforgotten.tpl.php
@@ -44,8 +44,7 @@ $(document).ready(function () {
 <?php } ?>
 
 
-<center>
-<div class="login_vertical_align">
+<div class="login_vertical_align center">
 
 
 <form id="login" name="login" method="post" action="<?php echo $php_self; ?>">
@@ -53,7 +52,7 @@ $(document).ready(function () {
 <input type="hidden" name="action" value="buildnewpassword">
 
 <table class="login_table_title center" summary="<?php echo dol_escape_htmltag($title); ?>">
-<tr class="vmenu"><td align="center"><?php echo $title; ?></td></tr>
+<tr class="vmenu"><td class="center"><?php echo $title; ?></td></tr>
 </table>
 <br>
 
@@ -122,7 +121,7 @@ if (! empty($hookmanager->resArray['options'])) {
 <br><input id="password" type="submit" <?php echo $disabled; ?> class="button" name="password" value="<?php echo $langs->trans('SendNewPassword'); ?>" tabindex="4" />
 
 <br>
-<div align="center" style="margin-top: 4px;">
+<div class="center" style="margin-top: 4px;">
 	<?php
 	$moreparam='';
 	if (! empty($conf->dol_hide_topmenu))   $moreparam.=(strpos($moreparam,'?')===false?'?':'&').'dol_hide_topmenu='.$conf->dol_hide_topmenu;
@@ -147,7 +146,7 @@ if (! empty($hookmanager->resArray['options'])) {
 	<?php echo $langs->trans('SendNewPasswordDesc'); ?>
 	</font>
 <?php }else{ ?>
-	<div class="warning" align="center">
+	<div class="warning center">
 	<?php echo $langs->trans('AuthenticationDoesNotAllowSendNewPassword', $mode); ?>
 	</div>
 <?php } ?>
@@ -164,9 +163,8 @@ if (! empty($hookmanager->resArray['options'])) {
 
 
 </div>
-</center>	<!-- end of center -->
 
 
 </body>
 </html>
-<!-- END PHP TEMPLATE -->
+<!-- END PHP TEMPLATE -->
\ No newline at end of file
diff --git a/htdocs/cron/admin/cron.php b/htdocs/cron/admin/cron.php
index ba87e1172e1..d03dff03b3e 100644
--- a/htdocs/cron/admin/cron.php
+++ b/htdocs/cron/admin/cron.php
@@ -96,9 +96,9 @@ print '</tr>';
 
 print '</table>';
 
-print '<br><center>';
+print '<br><div class="center">';
 print '<input type="submit" name="save" class="button" value="'.$langs->trans("Save").'">';
-print '</center>';
+print '</div>';
 
 print '</form>';
 
diff --git a/htdocs/ecm/docdir.php b/htdocs/ecm/docdir.php
index dd40205fc13..b1f09ffcb22 100644
--- a/htdocs/ecm/docdir.php
+++ b/htdocs/ecm/docdir.php
@@ -175,11 +175,11 @@ if ($action == 'create')
 
 	print '</table><br>';
 
-	print '<center>';
+	print '<div class="center">';
 	print '<input type="submit" class="button" name="create" value="'.$langs->trans("Create").'">';
-	print ' &nbsp; &nbsp; ';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-	print '</center>';
+	print '</div>';
 	print '</form>';
 }
 
diff --git a/htdocs/expedition/card.php b/htdocs/expedition/card.php
index 8984e4c5424..b4ca3504347 100644
--- a/htdocs/expedition/card.php
+++ b/htdocs/expedition/card.php
@@ -962,7 +962,7 @@ if ($action == 'create')
 
             print "</table>";
 
-            print '<br><center><input type="submit" class="button" value="'.$langs->trans("Create").'"></center>';
+            print '<br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Create").'"></div>';
 
             print '</form>';
 
diff --git a/htdocs/exports/index.php b/htdocs/exports/index.php
index 442bb13acb2..49e43fbb402 100644
--- a/htdocs/exports/index.php
+++ b/htdocs/exports/index.php
@@ -90,7 +90,7 @@ else
 print '</table>';
 print '<br>';
 
-print '<center>';
+print '<div class="center">';
 if (count($export->array_export_code))
 {
 	if ($user->rights->export->creer)
@@ -107,7 +107,7 @@ if (count($export->array_export_code))
 	print '></form></center>';
 	*/
 }
-print '</center>';
+print '</div>';
 print '<br>';
 
 print '</div><div class="fichetwothirdright"><div class="ficheaddleft">';
diff --git a/htdocs/externalsite/admin/externalsite.php b/htdocs/externalsite/admin/externalsite.php
index 93595b2cb9f..45f47c7d824 100644
--- a/htdocs/externalsite/admin/externalsite.php
+++ b/htdocs/externalsite/admin/externalsite.php
@@ -114,9 +114,9 @@ print "</tr>";
 print "</table>";
 
 
-print '<br><center>';
-print "<input type=\"submit\" name=\"save\" class=\"button\" value=\"".$langs->trans("Save")."\">";
-print "</center>";
+print '<br><div class="center">';
+print '<input type="submit" name="save" class="button" value="'.$langs->trans("Save").'">';
+print '</div>';
 
 print "</form>\n";
 
diff --git a/htdocs/externalsite/frames.php b/htdocs/externalsite/frames.php
index 0fca246e9ee..38324088180 100644
--- a/htdocs/externalsite/frames.php
+++ b/htdocs/externalsite/frames.php
@@ -58,10 +58,10 @@ print "
 
 <noframes>
 <body>
-	<br><center>
+	<br><div class="center">
 	Sorry, your browser is too old or not correctly configured to view this area.<br>
 	Your browser must support frames.<br>
-	</center>
+	</div>
 </body>
 </noframes>
 
diff --git a/htdocs/fichinter/card.php b/htdocs/fichinter/card.php
index 4ffc31c9cab..2f067efeae2 100644
--- a/htdocs/fichinter/card.php
+++ b/htdocs/fichinter/card.php
@@ -1122,9 +1122,9 @@ if ($action == 'create')
 	        print '<input type="hidden" name="originid"       value="'.$objectsrc->id.'">';
 		}
 
-		print '<center><br>';
+		print '<br><div class="center">';
 		print '<input type="submit" class="button" value="'.$langs->trans("CreateDraftIntervention").'">';
-		print '</center>';
+		print '</div>';
 
 		print '</form>';
 	}
@@ -1137,10 +1137,10 @@ if ($action == 'create')
 		print '</td></tr>';
 		print '</table>';
 
-		print '<br><center>';
+		print '<br><div class="center">';
 		print '<input type="hidden" name="action" value="create">';
 		print '<input type="submit" class="button" value="'.$langs->trans("CreateDraftIntervention").'">';
-		print '</center>';
+		print '</div>';
 
 		print '</form>';
 	}
diff --git a/htdocs/fourn/commande/card.php b/htdocs/fourn/commande/card.php
index 0273dea94b9..ff504976687 100644
--- a/htdocs/fourn/commande/card.php
+++ b/htdocs/fourn/commande/card.php
@@ -1302,7 +1302,7 @@ if ($action=="create")
 	// Bouton "Create Draft"
     print "</table>\n";
 
-	print '<br><center><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'"></center>';
+	print '<br><div class="center"><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'"></div>';
 
 	print "</form>\n";
 }
diff --git a/htdocs/fourn/commande/dispatch.php b/htdocs/fourn/commande/dispatch.php
index bea467340e6..11158b21f60 100644
--- a/htdocs/fourn/commande/dispatch.php
+++ b/htdocs/fourn/commande/dispatch.php
@@ -405,9 +405,9 @@ if ($id > 0 || ! empty($ref))
 				// print ' / '.$commande->ref_supplier;	// Not yet available
 				print '" class="flat"><br><br>';
 
-				print '<center><input type="submit" class="button" value="'.$langs->trans("DispatchVerb").'"';
+				print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("DispatchVerb").'"';
 				if (count($listwarehouses) <= 0) print ' disabled="disabled"';
-				print '></center>';
+				print '></div>';
 			}
 			if (! $nbproduct && $nbfreeproduct)
 			{
diff --git a/htdocs/fourn/commande/orderstoinvoice.php b/htdocs/fourn/commande/orderstoinvoice.php
index 6c5ce8aa11c..b0825a8cc45 100644
--- a/htdocs/fourn/commande/orderstoinvoice.php
+++ b/htdocs/fourn/commande/orderstoinvoice.php
@@ -389,7 +389,7 @@ if ($action == 'create' && empty($mesgs)) {
 	}
 	
 	// Button "Create Draft"
-	print '<br><center><input type="submit" class="button" name="bouton" value="' . $langs->trans('CreateDraft') . '" /></center>';
+	print '<br><div class="center"><input type="submit" class="button" name="bouton" value="' . $langs->trans('CreateDraft') . '" /></div>';
 	print "</form>\n";
 	
 	print '</td></tr>';
@@ -558,7 +558,7 @@ if (($action != 'create' && $action != 'add') || ! empty($mesgs)) {
 			print '<td align="right" class="nowrap">' . $generic_commande->LibStatut($objp->fk_statut, 5) . '</td>';
 			
 			// Checkbox
-			print '<td align="center">';
+			print '<td class="center">';
 			print '<input class="flat checkformerge" type="checkbox" name="orders_to_invoice[]" value="' . $objp->rowid . '">';
 			print '</td>';
 			
@@ -573,14 +573,15 @@ if (($action != 'create' && $action != 'add') || ! empty($mesgs)) {
 		/*
 		 * Boutons actions
 		*/
-		print '<center>';
-		print '<div align="right">';
+		print '<div class="center">';
+		print '<div class="right">';
 		print '<input type="hidden" name="socid" value="' . $socid . '">';
 		print '<input type="hidden" name="action" value="create">';
 		print '<input type="hidden" name="origin" value="commande"><br>';
 		// print '<a class="butAction" href="index.php">'.$langs->trans("GoBack").'</a>';
 		print '<input type="submit" class="butAction" value="' . $langs->trans("GenerateBill") . '">';
 		print '</div>';
+		print '</div>';
 		print '</form>';
 		$db->free($resql);
 	} else {
diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index 38a0f79a6ea..248fa0af59a 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -1503,7 +1503,7 @@ if ($action == 'create')
     // Bouton "Create Draft"
     print "</table>\n";
 
-    print '<br><center><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'"></center>';
+    print '<br><div class="center"><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'"></div>';
 
     print "</form>\n";
 
@@ -2368,7 +2368,7 @@ else
                 			$i ++;
                 		}
                 		print '</table>';
-                		print '<br><center><input type="submit" class="button" value="' . $langs->trans('ToLink') . '"> &nbsp; <input type="submit" class="button" name="cancel" value="' . $langs->trans('Cancel') . '"></center>';
+                		print '<br><div class="center"><input type="submit" class="button" value="' . $langs->trans('ToLink') . '"> &nbsp; <input type="submit" class="button" name="cancel" value="' . $langs->trans('Cancel') . '"></div>';
                 		print '</form>';
                 		$db->free($resqlorderlist);
                 	} else {
diff --git a/htdocs/fourn/facture/paiement.php b/htdocs/fourn/facture/paiement.php
index 65428cd138e..afd914546a6 100644
--- a/htdocs/fourn/facture/paiement.php
+++ b/htdocs/fourn/facture/paiement.php
@@ -417,8 +417,8 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
 	        // Bouton Enregistrer
 	        if ($action != 'add_paiement')
 	        {
-				print '<center><br><input type="checkbox" checked="checked" name="closepaidinvoices"> '.$langs->trans("ClosePaidInvoicesAutomatically");
-				print '<br><input type="submit" class="button" value="'.$langs->trans('Save').'"></center>';
+				print '<<br><div class="center"><input type="checkbox" checked="checked" name="closepaidinvoices"> '.$langs->trans("ClosePaidInvoicesAutomatically");
+				print '<br><input type="submit" class="button" value="'.$langs->trans('Save').'"></div>';
 	        }
 
             // Form to confirm payment
diff --git a/htdocs/ftp/admin/ftpclient.php b/htdocs/ftp/admin/ftpclient.php
index 1b252c480af..ccbde29bfb5 100644
--- a/htdocs/ftp/admin/ftpclient.php
+++ b/htdocs/ftp/admin/ftpclient.php
@@ -198,7 +198,7 @@ else
 	
 	print '</table>';
 	
-	?><br><center><input type="submit" class="button" value="<?php echo $langs->trans("Add") ?>"></center>
+	?><br><div class="center"><input type="submit" class="button" value="<?php echo $langs->trans("Add") ?>"></center>
 	<input type="hidden" name="action" value="add">
 	<input type="hidden" name="numero_entry" value="<?php echo ($lastftpentry+1) ?>">
 	<?php
diff --git a/htdocs/holiday/card.php b/htdocs/holiday/card.php
index bbffe26cf9c..4e405cf920a 100644
--- a/htdocs/holiday/card.php
+++ b/htdocs/holiday/card.php
@@ -822,11 +822,11 @@ if (empty($id) || $action == 'add' || $action == 'request' || $action == 'create
         print '</div>';
         print '</from>'."\n";
 
-        print '<center>';
+        print '<div class="center">';
         print '<input type="submit" value="'.$langs->trans("SendRequestCP").'" name="bouton" class="button">';
         print '&nbsp; &nbsp; ';
         print '<input type="button" value="'.$langs->trans("Cancel").'" class="button" onclick="history.go(-1)">';
-        print '</center>';
+        print '</div>';
     }
 
 }
diff --git a/htdocs/imports/import.php b/htdocs/imports/import.php
index 125b8dc0285..9314059fb03 100644
--- a/htdocs/imports/import.php
+++ b/htdocs/imports/import.php
@@ -1278,7 +1278,7 @@ if ($step == 5 && $datatoimport)
         print '<br>';
 
         // Actions
-        print '<center>';
+        print '<div class="center">';
         if ($user->rights->import->run)
         {
             print '<a class="butAction" href="'.DOL_URL_ROOT.'/imports/import.php?leftmenu=import&step=5&action=launchsimu'.$param.'">'.$langs->trans("RunSimulateImportFile").'</a>';
@@ -1287,7 +1287,7 @@ if ($step == 5 && $datatoimport)
         {
             print '<a class="butActionRefused" href="#" title="'.dol_escape_htmltag($langs->transnoentitiesnoconv("NotEnoughPermissions")).'">'.$langs->trans("RunSimulateImportFile").'</a>';
         }
-        print '</center>';
+        print '</div>';
     }
     else
     {
@@ -1401,15 +1401,15 @@ if ($step == 5 && $datatoimport)
         // Show import id
         $importid=dol_print_date(dol_now(),'%Y%m%d%H%M%S');
 
-        print '<center>';
+        print '<div class="center">';
         print $langs->trans("NowClickToRunTheImport",$langs->transnoentitiesnoconv("RunImportFile")).'<br>';
         print $langs->trans("DataLoadedWithId",$importid).'<br>';
-        print '</center>';
+        print '</div>';
 
         print '<br>';
 
         // Actions
-        print '<center>';
+        print '<div class="center">';
         if ($user->rights->import->run)
         {
             if (empty($nboferrors))
@@ -1429,7 +1429,7 @@ if ($step == 5 && $datatoimport)
 
             print '<a class="butActionRefused" href="#" title="'.dol_escape_htmltag($langs->transnoentitiesnoconv("NotEnoughPermissions")).'">'.$langs->trans("RunImportFile").'</a>';
         }
-        print '</center>';
+        print '</div>';
     }
 }
 
@@ -1664,12 +1664,12 @@ if ($step == 6 && $datatoimport)
 
 
 	// Show result
-	print '<center>';
 	print '<br>';
+	print '<div class="center">';
 	print $langs->trans("NbOfLinesImported",$nbok).'</b><br><br>';
 	print $langs->trans("FileWasImported",$importid).'<br>';
 	print $langs->trans("YouCanUseImportIdToFindRecord",$importid).'<br>';
-	print '</center>';
+	print '</div>';
 }
 
 
diff --git a/htdocs/imports/index.php b/htdocs/imports/index.php
index 2ccb92e1970..ada73d97559 100644
--- a/htdocs/imports/index.php
+++ b/htdocs/imports/index.php
@@ -85,7 +85,7 @@ else
 print '</table>';
 print '<br>';
 
-print '<center>';
+print '<div class="center">';
 if (count($import->array_import_code))
 {
 	//if ($user->rights->import->run)
@@ -97,7 +97,7 @@ if (count($import->array_import_code))
 	//	print '<a class="butActionRefused" href="#" title="'.dol_escape_htmltag($langs->trans("NotEnoughPermissions")).'">'.$langs->trans("NewImport").'</a>';
 	//}
 }
-print '</center>';
+print '</div>';
 print '<br>';
 
 
diff --git a/htdocs/install/check.php b/htdocs/install/check.php
index d815d67dd59..dc4bcd0e557 100644
--- a/htdocs/install/check.php
+++ b/htdocs/install/check.php
@@ -349,7 +349,7 @@ else
 		{
             $choice .= '<br>';
 			//print $langs->trans("InstallChoiceRecommanded",DOL_VERSION,$conf->global->MAIN_VERSION_LAST_UPGRADE);
-			$choice .= '<center><div class="ok">'.$langs->trans("InstallChoiceSuggested").'</div></center>';
+			$choice .= '<div class="center"><div class="ok">'.$langs->trans("InstallChoiceSuggested").'</div></div>';
 			// <img src="../theme/eldy/img/tick.png" alt="Ok"> ';
 			$foundrecommandedchoice=1;	// To show only once
 		}
@@ -449,12 +449,12 @@ else
             {
                 $choice .= '<br>';
                 //print $langs->trans("InstallChoiceRecommanded",DOL_VERSION,$conf->global->MAIN_VERSION_LAST_UPGRADE);
-                $choice .= '<center><div class="ok">'.$langs->trans("InstallChoiceSuggested").'</div>';
+                $choice .= '<div class="center"><div class="ok">'.$langs->trans("InstallChoiceSuggested").'</div>';
                 if ($count < count($migarray))	// There is other choices after
                 {
                     print $langs->trans("MigrateIsDoneStepByStep",DOL_VERSION);
                 }
-                $choice .= '</center>';
+                $choice .= '</div>';
             }
 
             $choice .= '</td>';
diff --git a/htdocs/install/etape5.php b/htdocs/install/etape5.php
index 4238884a6f5..ba51b41aa34 100644
--- a/htdocs/install/etape5.php
+++ b/htdocs/install/etape5.php
@@ -341,9 +341,9 @@ if ($action == "set")
 
         print $langs->trans("YouNeedToPersonalizeSetup")."<br><br>";
 
-        print '<center><a href="../admin/index.php?mainmenu=home&leftmenu=setup'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
+        print '<div class="center"><a href="../admin/index.php?mainmenu=home&leftmenu=setup'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
         print $langs->trans("GoToSetupArea");
-        print '</a></center>';
+        print '</a></div>';
     }
     else
     {
@@ -353,9 +353,9 @@ if ($action == "set")
         print $langs->trans("MigrationNotFinished").'<br>';
         print "<br>";
 
-        print '<center><a href="'.$dolibarr_main_url_root .'/install/index.php">';
+        print '<div class="center"><a href="'.$dolibarr_main_url_root .'/install/index.php">';
         print $langs->trans("GoToUpgradePage");
-        print '</a></center>';
+        print '</a></div>';
     }
 }
 // If upgrade
@@ -389,9 +389,9 @@ elseif (empty($action) || preg_match('/upgrade/i',$action))
 
         print "<br>";
 
-        print '<center><a href="../index.php?mainmenu=home'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
+        print '<div class="center"><a href="../index.php?mainmenu=home'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
         print $langs->trans("GoToDolibarr");
-        print '</a></center>';
+        print '</a></div>';
     }
     else
     {
@@ -401,9 +401,9 @@ elseif (empty($action) || preg_match('/upgrade/i',$action))
 
         print "<br>";
 
-        print '<center><a href="../install/index.php">';
+        print '<div class="center"><a href="../install/index.php">';
         print $langs->trans("GoToUpgradePage");
-        print '</a></center>';
+        print '</a></div>';
     }
 }
 else
diff --git a/htdocs/install/index.php b/htdocs/install/index.php
index fb346ea0033..4508a266b08 100644
--- a/htdocs/install/index.php
+++ b/htdocs/install/index.php
@@ -49,7 +49,7 @@ pHeader("", "check");   // Etape suivante = check
 
 
 // Ask installation language
-print '<br><br><center>';
+print '<br><br><div class="center">';
 print '<table>';
 
 print '<tr>';
@@ -58,7 +58,7 @@ print $formadmin->select_language('auto','selectlang',1,0,0,1);
 print '</td>';
 print '</tr>';
 
-print '</table></center>';
+print '</table></div>';
 
 print '<br><br>'.$langs->trans("SomeTranslationAreUncomplete");
 
diff --git a/htdocs/install/repair.php b/htdocs/install/repair.php
index 48f4b5a6aa6..a8bbfdd09af 100644
--- a/htdocs/install/repair.php
+++ b/htdocs/install/repair.php
@@ -510,9 +510,9 @@ if (empty($actiondone))
 }
 
 
-print '<center><a href="../index.php?mainmenu=home'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
+print '<div class="center"><a href="../index.php?mainmenu=home'.(isset($_POST["login"])?'&username='.urlencode($_POST["login"]):'').'">';
 print $langs->trans("GoToDolibarr");
-print '</a></center>';
+print '</a></div>';
 
 pFooter(1,$setuplang);
 
diff --git a/htdocs/opensurvey/card.php b/htdocs/opensurvey/card.php
index 884d5124126..a4cbc99e706 100644
--- a/htdocs/opensurvey/card.php
+++ b/htdocs/opensurvey/card.php
@@ -313,7 +313,7 @@ print $urllink;
 
 print '</table>';
 
-if ($action == 'edit') print '<center><br><input type="submit" class="button" name="save" value="'.dol_escape_htmltag($langs->trans("Save")).'"></center>';
+if ($action == 'edit') print '<br><div class="center"><input type="submit" class="button" name="save" value="'.dol_escape_htmltag($langs->trans("Save")).'"></div>';
 
 print '</form>'."\n";
 
diff --git a/htdocs/opensurvey/wizard/choix_date.php b/htdocs/opensurvey/wizard/choix_date.php
index e835c274e7d..f0f5600f286 100644
--- a/htdocs/opensurvey/wizard/choix_date.php
+++ b/htdocs/opensurvey/wizard/choix_date.php
@@ -338,7 +338,7 @@ print $langs->trans("OpenSurveyStep2")."\n";
 print '</div>'."\n";
 
 //debut du tableau qui affiche le calendrier
-print '<center><div class="corps">'."\n";
+print '<div class="center"><div class="corps">'."\n";
 print '<table align=center>'."\n";
 print '<tr><td><input type="image" name="anneeavant" value="<<" src="../img/rewind.png"></td><td><input type="image" name="moisavant" value="<" src="../img/previous.png"></td>';
 print '<td width="150px" align="center"> '.$motmois.' '.$_SESSION["annee"].'<br>';
@@ -490,9 +490,9 @@ for ($i = 0; $i < $nbrejourmois + $premierjourmois; $i++) {
 //fin du tableau
 print '</tr>'."\n";
 print '</table>'."\n";
-print '</div></center>'."\n";
+print '</div></div>'."\n";
 
-print '<div class="bodydate"><center>'."\n";
+print '<div class="bodydate"><div class="center">'."\n";
 
 // affichage de tous les jours choisis
 if (issetAndNoEmpty('totalchoixjour', $_SESSION) || $erreur)
@@ -555,7 +555,7 @@ print '<a name=bas></a>'."\n";
 print '</form>'."\n";
 //bandeau de pied
 print '<br><br><br><br>'."\n";
-print '</center></div>'."\n";
+print '</div></div>'."\n";
 
 llxFooter();
 
diff --git a/htdocs/opensurvey/wizard/index.php b/htdocs/opensurvey/wizard/index.php
index db2948a1cd3..3c10c256742 100644
--- a/htdocs/opensurvey/wizard/index.php
+++ b/htdocs/opensurvey/wizard/index.php
@@ -43,15 +43,15 @@ llxHeader('', $langs->trans("OpenSurvey"), '', "", 0, 0, $arrayofjs, $arrayofcss
 
 print_fiche_titre($langs->trans("CreatePoll"));
 
-print '<center>
-<form name="formulaire" action="create_survey.php" method="POST">';
-print '<p>'.$langs->trans("OrganizeYourMeetingEasily").'</p>
-<div class="corps">
-<br>
-<div class="index_date"><div><img class="opacity" src="../img/date.png" onclick="document.formulaire.date.click()"></div><button id="date" name="choix_sondage" value="date" type="submit" class="button orange bigrounded"><img src="../img/calendar-32.png" alt="'.dol_escape_htmltag($langs->trans("CreateSurveyDate")).'"><strong>&nbsp;'.dol_escape_htmltag($langs->trans("CreateSurveyDate")).'</strong></button></div>
-<div class="index_sondage"><div><img class="opacity" src="../img/sondage2.png" onclick="document.formulaire.autre.click()"></div><button id="autre" name="choix_sondage" value="autre" type="submit" class="button blue bigrounded"><img src="../img/chart-32.png" alt="'.dol_escape_htmltag($langs->trans("CreateSurveyStandard")).'"><strong>&nbsp;'.dol_escape_htmltag($langs->trans("CreateSurveyStandard")).'</strong></button></div><div style="clear:both;"></div>
-</div>
-</form></center>';
+print '<form name="formulaire" action="create_survey.php" method="POST">';
+print '<div class="center">';
+print '<p>'.$langs->trans("OrganizeYourMeetingEasily").'</p>';
+print '<div class="corps">';
+print '<br>';
+print '<div class="index_date"><div><img class="opacity" src="../img/date.png" onclick="document.formulaire.date.click()"></div><button id="date" name="choix_sondage" value="date" type="submit" class="button orange bigrounded"><img src="../img/calendar-32.png" alt="'.dol_escape_htmltag($langs->trans("CreateSurveyDate")).'"><strong>&nbsp;'.dol_escape_htmltag($langs->trans("CreateSurveyDate")).'</strong></button></div>';
+print '<div class="index_sondage"><div><img class="opacity" src="../img/sondage2.png" onclick="document.formulaire.autre.click()"></div><button id="autre" name="choix_sondage" value="autre" type="submit" class="button blue bigrounded"><img src="../img/chart-32.png" alt="'.dol_escape_htmltag($langs->trans("CreateSurveyStandard")).'"><strong>&nbsp;'.dol_escape_htmltag($langs->trans("CreateSurveyStandard")).'</strong></button></div><div style="clear:both;"></div>';
+print '</div>';
+print '</div></form>';
 
 llxFooter();
 
diff --git a/htdocs/paybox/admin/paybox.php b/htdocs/paybox/admin/paybox.php
index 30e02591190..19ce68c750c 100644
--- a/htdocs/paybox/admin/paybox.php
+++ b/htdocs/paybox/admin/paybox.php
@@ -195,7 +195,7 @@ print '<input size="32" type="email" name="PAYBOX_PAYONLINE_SENDEMAIL" value="'.
 print ' &nbsp; '.$langs->trans("Example").': myemail@myserver.com';
 print '</td></tr>';
 
-print '</table><br><center><input type="submit" class="button" value="'.$langs->trans("Modify").'"></center></form>';
+print '</table><br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Modify").'"></div></form>';
 
 print '<br><br>';
 
diff --git a/htdocs/paybox/lib/paybox.lib.php b/htdocs/paybox/lib/paybox.lib.php
index 78c500c7551..a55687db823 100644
--- a/htdocs/paybox/lib/paybox.lib.php
+++ b/htdocs/paybox/lib/paybox.lib.php
@@ -131,7 +131,7 @@ function print_paybox_redirect($PRICE,$CURRENCY,$EMAIL,$urlok,$urlko,$TAG)
     $IBS_MODE=1;            	// Mode formulaire
     $IBS_PORTEUR=$EMAIL;
 	$IBS_RETOUR="montant:M;ref:R;auto:A;trans:T";   // Format des parametres du get de validation en reponse (url a definir sous paybox)
-    //$IBS_TXT="<center><b>".$langsiso->trans("YouWillBeRedirectedOnPayBox")."</b><br><i>".$langsiso->trans("PleaseBePatient")."...</i><br></center>";
+    //$IBS_TXT="<div class="center"><b>".$langsiso->trans("YouWillBeRedirectedOnPayBox")."</b><br><i>".$langsiso->trans("PleaseBePatient")."...</i><br></div>";
     $IBS_TXT=' ';	// Use a space
     $IBS_BOUTPI=$langs->trans("Wait");
     //$IBS_BOUTPI='';
@@ -280,10 +280,10 @@ function html_print_paybox_footer($fromcompany,$langs)
 	}
 
 	print '<br><br><hr>'."\n";
-	print '<center><font style="font-size: 10px;">'."\n";
+	print '<div class="center"><font style="font-size: 10px;">'."\n";
 	print $fromcompany->name.'<br>';
 	print $line1.'<br>';
 	print $line2;
-	print '</font></center>'."\n";
+	print '</font></div>'."\n";
 }
 
diff --git a/htdocs/paypal/admin/paypal.php b/htdocs/paypal/admin/paypal.php
index 69b0664eb9d..7385342c905 100644
--- a/htdocs/paypal/admin/paypal.php
+++ b/htdocs/paypal/admin/paypal.php
@@ -232,7 +232,7 @@ print '</td></tr>';
 
 print '</table>';
 
-print '<br><center><input type="submit" class="button" value="'.$langs->trans("Modify").'"></center>';
+print '<br><div class="center"><input type="submit" class="button" value="'.$langs->trans("Modify").'"></div>';
 
 print '</form>';
 
diff --git a/htdocs/paypal/lib/paypal.lib.php b/htdocs/paypal/lib/paypal.lib.php
index b40b0f9fd4c..2e8ab4bf0b8 100644
--- a/htdocs/paypal/lib/paypal.lib.php
+++ b/htdocs/paypal/lib/paypal.lib.php
@@ -153,11 +153,11 @@ function html_print_paypal_footer($fromcompany,$langs)
 	}
 
 	print '<br><br><hr>'."\n";
-	print '<center><font style="font-size: 10px;">'."\n";
+	print '<div class="center"><font style="font-size: 10px;">'."\n";
 	print $fromcompany->name.'<br>';
 	print $line1.'<br>';
 	print $line2;
-	print '</font></center>'."\n";
+	print '</font></div>'."\n";
 }
 
 /**
diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index 92d588d19fe..7f437743a3b 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -1053,7 +1053,7 @@ else
             print '<br>';
         //}
 
-        print '<center><input type="submit" class="button" value="'.$langs->trans("Create").'"></center>';
+        print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Create").'"></div>';
 
         print '</form>';
     }
@@ -1289,8 +1289,11 @@ else
                 print '<br>';
             //}
 
-            print '<center><input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-            print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+            print '<div class="center">';
+			print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+            print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+			print '</div>';
 
             print '</form>';
         }
diff --git a/htdocs/product/composition/card.php b/htdocs/product/composition/card.php
index ec616b2f222..ca139a87965 100644
--- a/htdocs/product/composition/card.php
+++ b/htdocs/product/composition/card.php
@@ -537,9 +537,11 @@ if ($id > 0 || ! empty($ref))
 
 			if($num > 0)
 			{
-				print '<br><center><input type="submit" class="button" value="'.$langs->trans("Add").'/'.$langs->trans("Update").'">';
-				print ' &nbsp; &nbsp; <input type="submit" class="button" value="'.$langs->trans("Cancel").'">';
-				print '</center>';
+				print '<br><div class="center">';
+				print '<input type="submit" class="button" value="'.$langs->trans("Add").'/'.$langs->trans("Update").'">';
+				print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+				print '<input type="submit" class="button" value="'.$langs->trans("Cancel").'">';
+				print '</div>';
 			}
 
 			print '</form>';
diff --git a/htdocs/product/fournisseurs.php b/htdocs/product/fournisseurs.php
index 9832e57eb6d..220b6ad758e 100644
--- a/htdocs/product/fournisseurs.php
+++ b/htdocs/product/fournisseurs.php
@@ -400,9 +400,11 @@ if ($id || $ref)
 
 				print '</table>';
 
-				print '<br><center><input class="button" type="submit" value="'.$langs->trans("Save").'">';
-				print '&nbsp; &nbsp;';
-				print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+				print '<br><div class="center">';
+				print '<input class="button" type="submit" value="'.$langs->trans("Save").'">';
+				print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+				print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
+				print '</div>';
 
 				print '</form>';
 			}
